Film

Let's Look at Water 1947

21 min Documentary

This short documentary shows how a city's water supply is purified at a filtration plant. The complex system of the underground mains that supply all parts of the city with water is also illustrated, as is the safeguarding of water supplies on trains, ships and aircrafts.

Watch free in the UK

Not listed as free in the UK right now. You can still watch the official trailer below.